Inventor
Karl-Friedrich Landgraf
Inventor
Dresden, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations44%
C07CAcyclic or carbocyclic compounds22%
C07DHeterocyclic compounds22%
A61KPreparations for medical, dental or toiletry purposes11%
PatentTitleYear
6,538,151'Modifications of 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonylaminobenzene, and processes for their preparation'20035,994,393'Alpha-lipoic acid with novel modification'19995,959,115'Process for the preparation of pure flupirtine maleate and its A modification'19995,914,425'Modifications of 2-amino-4-(4-5fluorobenzylamino)-1-ethoxycarbonylaminobenzene, and processes for their preparation'19995,888,545'Carbamazepine medicament with retarded active substance release'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2003Patents assigned to ASTA MEDICA AG (4)· patent assignee history
1999Patents assigned to DRESDEN ARZNEIMITTEL (1)· patent assignee history
1999–2003Based in Dresden, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASTA MEDICA AG | 4 | 1999–2003 |
| DRESDEN ARZNEIMITTEL | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dresden, DE | 5 | 1999–2003 |